5x3-4x2+3 and 3x3+7x2-9
Answers
Answered by
2
Step-by-step explanation:
15-4×2+3×9+7×2-9
15-8+27+14-9
15-35+14-9
15-39-9
15
Answered by
2
Answer:
24
Step-by-step explanation:
=(5×3-4×2+3)+(3×3+7×2-9=
=(15-8+3)+(9+14-9)
=10+14
=24
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